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metal: initial pixel format support implementation

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This commit is contained in:
Alex Szpakowski
2021-03-27 17:37:09 -03:00
parent 3744f8b939
commit 5f888be64a
3 changed files with 258 additions and 9 deletions
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src/modules/graphics/metal/Graphics.mm
+246 -2
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@@ -178,6 +178,7 @@ Graphics::Graphics()
, uniformBufferOffset(0)
, defaultAttributesBuffer(nullptr)
, defaultTextures()
, families()
{ @autoreleasepool {
graphicsInstance = this;
device = MTLCreateSystemDefaultDevice();
@@ -185,7 +186,7 @@ Graphics::Graphics()
throw love::Exception("Metal is not supported on this system.");
commandQueue = [device newCommandQueue];
passDesc = [MTLRenderPassDescriptor renderPassDescriptor];
passDesc = [MTLRenderPassDescriptor new];
initCapabilities();
@@ -1320,7 +1321,215 @@ PixelFormat Graphics::getSizedFormat(PixelFormat format, bool /*rendertarget*/,
bool Graphics::isPixelFormatSupported(PixelFormat format, bool rendertarget, bool readable, bool sRGB)
{
return true; // TODO
format = getSizedFormat(format, rendertarget, readable);
if (sRGB)
format = getSRGBPixelFormat(format);
uint32 requiredflags = 0;
if (rendertarget)
requiredflags |= PIXELFORMATUSAGEFLAGS_RENDERTARGET;
if (readable)
requiredflags |= PIXELFORMATUSAGEFLAGS_SAMPLE;
const uint32 sample = PIXELFORMATUSAGEFLAGS_SAMPLE;
const uint32 rt = PIXELFORMATUSAGEFLAGS_RENDERTARGET;
const uint32 blend = PIXELFORMATUSAGEFLAGS_BLEND;
const uint32 msaa = PIXELFORMATUSAGEFLAGS_MSAA;
const uint32 commonsample = PIXELFORMATUSAGEFLAGS_SAMPLE | PIXELFORMATUSAGEFLAGS_LINEAR;
const uint32 commonrender = PIXELFORMATUSAGEFLAGS_RENDERTARGET | PIXELFORMATUSAGEFLAGS_BLEND | PIXELFORMATUSAGEFLAGS_MSAA;
const uint32 all = commonsample | commonrender;
uint32 flags = PIXELFORMATUSAGEFLAGS_NONE;
if (isPixelFormatCompressed(format) && rendertarget)
return false;
// https://developer.apple.com/metal/Metal-Feature-Set-Tables.pdf
switch (format)
{
case PIXELFORMAT_UNKNOWN:
case PIXELFORMAT_NORMAL:
case PIXELFORMAT_HDR:
break;
case PIXELFORMAT_R8_UNORM:
flags |= all;
break;
case PIXELFORMAT_R16_UNORM:
if (families.apple[1])
flags |= commonsample | commonrender;
if (families.mac[1] || families.macCatalyst[1])
flags |= all;
break;
case PIXELFORMAT_R16_FLOAT:
flags |= all;
break;
case PIXELFORMAT_R32_FLOAT:
if (families.apple[1])
flags |= sample | rt | blend | msaa;
if (families.mac[1])
flags |= all;
break;
case PIXELFORMAT_RG8_UNORM:
flags |= all;
break;
case PIXELFORMAT_LA8_UNORM:
// TODO
flags |= commonsample;
break;
case PIXELFORMAT_RG16_UNORM:
if (families.apple[1])
flags |= commonsample | rt | blend | msaa;
if (families.mac[1] || families.macCatalyst[1])
flags |= all;
break;
case PIXELFORMAT_RG16_FLOAT:
flags |= all;
break;
case PIXELFORMAT_RG32_FLOAT:
if (families.apple[1])
flags |= sample | rt | blend;
if (families.apple[7])
flags |= sample | rt | msaa | blend;
if (families.mac[1] || families.macCatalyst[1])
flags |= all;
break;
case PIXELFORMAT_RGBA8_UNORM:
case PIXELFORMAT_BGRA8_UNORM:
flags |= all;
break;
case PIXELFORMAT_RGBA8_UNORM_sRGB:
case PIXELFORMAT_BGRA8_UNORM_sRGB:
if (families.apple[1] || families.mac[1] || families.macCatalyst[1])
flags |= commonsample | commonrender;
if (families.apple[2])
flags |= all;
break;
case PIXELFORMAT_RGBA16_UNORM:
if (families.apple[1])
flags |= commonsample | rt | msaa | blend;
if (families.mac[1] || families.macCatalyst[1])
flags |= all;
break;
case PIXELFORMAT_RGBA16_FLOAT:
flags |= all;
break;
case PIXELFORMAT_RGBA32_FLOAT:
if (families.apple[1])
flags |= sample | rt;
if (families.apple[7])
flags |= sample | rt | msaa;
if (families.mac[1] || families.macCatalyst[1])
flags |= all;
break;
case PIXELFORMAT_RGBA4_UNORM:
case PIXELFORMAT_RGB5A1_UNORM:
case PIXELFORMAT_RGB565_UNORM:
if (families.apple[1])
flags |= commonsample | rt | blend | msaa; // | resolve
break;
case PIXELFORMAT_RGB10A2_UNORM:
case PIXELFORMAT_RG11B10_FLOAT:
if (families.apple[1])
flags |= commonsample | rt | blend | msaa; // | resolve
if (families.apple[3])
flags |= all;
if (families.mac[1] || families.macCatalyst[1])
flags |= all;
break;
case PIXELFORMAT_STENCIL8:
flags |= rt | sample | msaa;
break;
case PIXELFORMAT_DEPTH16_UNORM:
flags |= rt | commonsample | msaa;
//if (families.apple[3] || families.mac[1] || families.macCatalyst[1])
// flags |= resolve;
break;
case PIXELFORMAT_DEPTH24_UNORM:
// TODO
case PIXELFORMAT_DEPTH32_FLOAT:
if (families.apple[1])
flags |= rt | sample | msaa;
if (families.apple[3])
flags |= rt | sample | msaa; // | resolve;
if (families.mac[1] || families.macCatalyst[1])
flags |= rt | commonsample | msaa; // | resolve;
break;
case PIXELFORMAT_DEPTH24_UNORM_STENCIL8:
// TODO
break;
case PIXELFORMAT_DEPTH32_FLOAT_STENCIL8:
if (families.apple[1])
flags |= rt | sample | msaa;
if (families.apple[3])
flags |= rt | sample | msaa; // | resolve
if (families.mac[1] || families.macCatalyst[1])
flags |= rt | commonsample | msaa; // | resolve
break;
case PIXELFORMAT_DXT1_UNORM:
case PIXELFORMAT_DXT3_UNORM:
case PIXELFORMAT_DXT5_UNORM:
case PIXELFORMAT_BC4_UNORM:
case PIXELFORMAT_BC4_SNORM:
case PIXELFORMAT_BC5_UNORM:
case PIXELFORMAT_BC5_SNORM:
case PIXELFORMAT_BC6H_UFLOAT:
case PIXELFORMAT_BC6H_FLOAT:
case PIXELFORMAT_BC7_UNORM:
if (families.mac[1] || families.macCatalyst[1])
flags |= commonsample;
break;
case PIXELFORMAT_PVR1_RGB2_UNORM:
case PIXELFORMAT_PVR1_RGB4_UNORM:
case PIXELFORMAT_PVR1_RGBA2_UNORM:
case PIXELFORMAT_PVR1_RGBA4_UNORM:
if (families.apple[1])
flags |= commonsample;
break;
case PIXELFORMAT_ETC1_UNORM:
case PIXELFORMAT_ETC2_RGB_UNORM:
case PIXELFORMAT_ETC2_RGBA_UNORM:
case PIXELFORMAT_ETC2_RGBA1_UNORM:
case PIXELFORMAT_EAC_R_UNORM:
case PIXELFORMAT_EAC_R_SNORM:
case PIXELFORMAT_EAC_RG_UNORM:
case PIXELFORMAT_EAC_RG_SNORM:
if (families.apple[1])
flags |= commonsample;
break;
case PIXELFORMAT_ASTC_4x4:
case PIXELFORMAT_ASTC_5x4:
case PIXELFORMAT_ASTC_5x5:
case PIXELFORMAT_ASTC_6x5:
case PIXELFORMAT_ASTC_6x6:
case PIXELFORMAT_ASTC_8x5:
case PIXELFORMAT_ASTC_8x6:
case PIXELFORMAT_ASTC_8x8:
case PIXELFORMAT_ASTC_10x5:
case PIXELFORMAT_ASTC_10x6:
case PIXELFORMAT_ASTC_10x8:
case PIXELFORMAT_ASTC_10x10:
case PIXELFORMAT_ASTC_12x10:
case PIXELFORMAT_ASTC_12x12:
if (families.apple[2])
flags |= commonsample;
break;
case PIXELFORMAT_MAX_ENUM:
break;
}
return (requiredflags & flags) == requiredflags;
}
Graphics::Renderer Graphics::getRenderer() const
@@ -1360,6 +1569,41 @@ void Graphics::initCapabilities()
}
}
if (@available(macOS 10.15, iOS 13, *))
{
for (NSInteger i = 0; i < 7; i++)
{
MTLGPUFamily family = (MTLGPUFamily) (MTLGPUFamilyApple1 + i);
if ([device supportsFamily:family])
families.apple[1 + i] = true;
}
for (NSInteger i = 0; i < 2; i++)
{
MTLGPUFamily family = (MTLGPUFamily) (MTLGPUFamilyMac1 + i);
if ([device supportsFamily:family])
families.mac[1 + i] = true;
}
for (NSInteger i = 0; i < 3; i++)
{
MTLGPUFamily family = (MTLGPUFamily) (MTLGPUFamilyCommon1 + i);
if ([device supportsFamily:family])
families.common[1 + i] = true;
}
for (NSInteger i = 0; i < 2; i++)
{
MTLGPUFamily family = (MTLGPUFamily) (MTLGPUFamilyMacCatalyst1 + i);
if ([device supportsFamily:family])
families.macCatalyst[1 + i] = true;
}
}
else
{
// TODO: feature set API
}
capabilities.features[FEATURE_MULTI_RENDER_TARGET_FORMATS] = true;
capabilities.features[FEATURE_CLAMP_ZERO] = true;
capabilities.features[FEATURE_BLEND_MINMAX] = true;